Matlab, NetCDF-C and NetCDF Java?

[Rich Signell]

On 10/4/06, John Caron <caron at unidata.ucar.edu> wrote:
> Hi Rich:
>
> So you previously were able to load nj22 library and use it directly in  matlab, now you are wondering if we could use nj22 to emulate the netcdf matlab library?

Exactly.

> Is that "mexcdf"? what makes it machine dependent ? Which API does it implement (netcdf 2, 3 or some variant?)

Unfortunately, it implements *both* netcdf-2 and netcdf-3.
>
> I think Russ' answer is correct, the only thing i would add is that minimal work has gone into the nj22 API for writing files, but we plan to take that up again in the context of netcdf-4 file writing. We may be able to add extentions then.

That would be great.  If we could mimic the functionality of netcdf-2
and netcdf-3 with NetCDF-Java, we could do away with the machine
dependent "mex file" interface, now called "mexnc" (google "mexnc" for
details).


>You would still need some glue to translate the mexcdf API into nj22
calls, where would that come from?

mexnc is a gateway routine that could be replaced with a matlab or
java gateway function.  We realize that this would take some
significant (and somewhat tedious) effort, but we think it would be
worth it!

-Rich

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